Operation Manual

GMC-I Messtechnik GmbH 11
5 Specifications
5.1 Measuring resistors for testing insulation meters
Characteristic features and load limits
5.2 Measuring resistors for testing measuring
instruments for low-ohmic resistances
Characteristic features and load limits
* Between the load phases, wait 5 min. for cooling
** See inscription on case / entry in protocol for exact value.
The tolerance data refer to the inscription on the case / entry in protocol.
Resistance
value
Tolerance / TC Dielectric
strength
max.
Current
loading
capacity max.
100 k 0.5 % / 50 ppm 250 V 2.5 mA
250 k 0.5 % / 50 ppm 500 V 2.0 mA
500 k 0.5 % / 50 ppm 1000 V 2.0 mA
1 M 0.5 % / 50 ppm 1200 V 1.2 mA
2 M 0.5 % / 50 ppm 1200 V 0.6 mA
5 M 0.5 % / 50 ppm 1200 V 0.24 mA
10 M 0.5 % / 50 ppm 1200 V 0.12 mA
20 M 1.0 % / 50 ppm 1200 V 0.06 mA
50 M 1.0 % / 50 ppm 1200 V 0.02 mA
100 M 1.0 % / 50 ppm 1200 V 0.01 mA
Resistance
value
Tolerance / TC Current
loading
capacity, cont.
Current
loading
capacity,
temp. *
1  ** 1.0 % / 50 ppm 1.5 A 2.0 A, 2 min
0.05  **
2.5 % / 100 ppm 10.0 A 15.0 A, 15 s